locking primitives · Maintained

Maintainers

• M Peter Zijlstra <peterz@infradead.org>
• M Ingo Molnar <mingo@redhat.com>
• M Will Deacon <will@kernel.org>
• M Boqun Feng <boqun@kernel.org>
• R Waiman Long <longman@redhat.com>

Paths

• F Documentation/locking/
• F arch/*/include/asm/spinlock*.h
• F include/linux/local_lock*.h
• F include/linux/lockdep*.h
• F include/linux/mutex*.h
• F include/linux/rwlock*.h
• F include/linux/rwsem*.h
• F include/linux/seqlock.h
• F include/linux/spinlock*.h
• F kernel/locking/
• F lib/locking*.[ch]
• F rust/helpers/mutex.c
• F rust/helpers/spinlock.c
• F rust/kernel/sync/lock.rs
• F rust/kernel/sync/lock/
• F rust/kernel/sync/locked_by.rs
• X kernel/locking/locktorture.c

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-alpha (capped at 30), ordered by date desc.

• STALE1825d [PATCH v4 01/11] kallsyms: Remove arch specific text and data check
  2021-09-30 · Kefeng Wang <hidden>
• STALE2739d [PATCH v5 3/3] locking/rwsem: Optimize down_read_trylock()
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2739d [PATCH v5 2/3] locking/rwsem: Remove rwsem-spinlock.c & use rwsem-xadd.c for all archs
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2739d [PATCH v5 1/3] locking/rwsem: Remove arch specific rwsem files
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2779d [PATCH v4 3/3] locking/rwsem: Optimize down_read_trylock()
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2779d [PATCH v4 2/3] locking/rwsem: Remove rwsem-spinlock.c & use rwsem-xadd.c for all archs
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2779d [PATCH v4 1/3] locking/rwsem: Remove arch specific rwsem files
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2786d [PATCH v3 2/2] locking/rwsem: Optimize down_read_trylock()
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2786d [PATCH v3 1/2] locking/rwsem: Remove arch specific rwsem files
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2788d [PATCH v2 2/2] locking/rwsem: Optimize down_read_trylock()
  2019-02-11 · Waiman Long <longman@redhat.com>
• STALE2788d [PATCH v2 1/2] locking/rwsem: Remove arch specific rwsem files
  2019-02-11 · Waiman Long <longman@redhat.com>
• STALE2790d [PATCH] locking/rwsem: Remove arch specific rwsem files
  2019-02-11 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 16/22] locking/rwsem: Remove redundant computation of writer lock word
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 19/22] locking/rwsem: Enable readers spinning on writer
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 21/22] locking/rwsem: Wake up all readers in wait queue
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 22/22] locking/rwsem: Ensure an RT task will not spin on reader
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 20/22] locking/rwsem: Enable count-based spinning on reader
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 18/22] locking/rwsem: Make rwsem_spin_on_owner() return a tri-state value
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 17/22] locking/rwsem: Recheck owner if it is not on cpu
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 15/22] locking/rwsem: Merge owner into count on x86-64
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 14/22] locking/rwsem: Add more rwsem owner access helpers
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 13/22] locking/rwsem: Remove rwsem_wake() wakeup optimization
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 12/22] locking/rwsem: Implement lock handoff to prevent lock starvation
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 11/22] locking/rwsem: Implement a new locking scheme
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 10/22] locking/rwsem: Enable lock event counting
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 09/22] locking/rwsem: Enhance DEBUG_RWSEMS_WARN_ON() macro
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 08/22] locking/rwsem: Add debug check for __down_read*()
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 07/22] locking/rwsem: Move rwsem internal function declarations to rwsem-xadd.h
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 06/22] locking/rwsem: Rename kernel/locking/rwsem.h
  2019-02-07 · Waiman Long <longman@redhat.com>
• STALE2731d [PATCH-tip 05/22] locking/rwsem: Move owner setting code from rwsem.c to rwsem.h
  2019-02-07 · Waiman Long <longman@redhat.com>